阅读说明：本技术 顶盖连接结构和车身结构 (Roof connection structure and vehicle body structure ) 是由 陶冶 郭纪辉 胡瑞杰 成贺龙 高寒 于 2020-04-29 设计创作，主要内容包括：本公开涉及一种顶盖连接结构和车身结构,该顶盖连接结构包括顶盖外板、顶盖加强板和侧围焊接总成。顶盖外板包括顶盖侧板,顶盖侧板从车辆上方至下方倾斜向外延伸,且顶盖侧板的下端与侧围焊接总成相连。顶盖加强板从车辆上方至下方延伸,且顶盖加强板的上端与顶盖侧板连接。下端与侧围焊接总成相连,顶盖加强板的下端与顶盖侧板的下端在车辆的宽度方向间隔布置,使得顶盖侧板和顶盖加强板能够共同支撑顶盖外板,二者可共同分担顶盖外板的压力,从而减小顶盖侧板和顶盖加强板与侧围焊接总成之间的连接点处的受力,减小脱焊的风险。因此,该顶盖连接结构能够增加顶盖的高度的同时又能够保证顶盖连接结构具有足够的强度。(The utility model relates to a top cap connection structure and body construction, this top cap connection structure include top cap planking, top cap reinforcing plate and side wall welding assembly. The roof outer panel comprises a roof side panel, the roof side panel extends outwards from the upper part to the lower part of the vehicle in an inclined mode, and the lower end of the roof side panel is connected with the side wall welding assembly. The roof reinforcement panel extends from above to below the vehicle, and the upper end of the roof reinforcement panel is connected to the roof side panel. The lower extreme links to each other with side wall welding assembly, and the lower extreme of top cap reinforcing plate and the lower extreme of top cap curb plate are at the width direction interval arrangement of vehicle for top cap curb plate and top cap reinforcing plate can support the top cap planking jointly, and the two can share the pressure of top cap planking jointly, thereby reduce the atress of the junction between top cap curb plate and top cap reinforcing plate and the side wall welding assembly, reduce the risk of desoldering. Therefore, the top cover connecting structure can increase the height of the top cover and ensure that the top cover connecting structure has enough strength.)

1. The top cover connecting structure is characterized by comprising a top cover outer plate (10), a top cover reinforcing plate (40) and a side wall welding assembly (30), wherein the top cover outer plate (10) comprises a top cover side plate (11), the top cover side plate (11) extends outwards from the upper part to the lower part of a vehicle in an inclined mode, the lower end of the top cover side plate (11) is connected with the side wall welding assembly (30), the top cover reinforcing plate (40) extends from the upper part to the lower part of the vehicle, the upper end of the top cover reinforcing plate (40) is connected with the top cover side plate (11), the lower end of the top cover reinforcing plate is connected with the side wall welding assembly (30), and the lower end of the top cover reinforcing plate (40) is arranged at intervals in the width direction of the vehicle with the lower end of the top cover side plate (11.

2. The roof cover connection structure according to claim 1, wherein the roof cover side panel (11) is configured in an L-shaped structure and includes a first connecting section (111) and a first extending section (112) extending in a vehicle up-down direction, and at least a part of the first connecting section (111) is in surface-fitting connection with the side wall welding assembly (30).

3. The roof connection structure according to claim 1, wherein the roof reinforcement panel (40) is configured in an L-shaped structure and includes a second connection section (41) and a second extension section (42) extending in a vehicle up-down direction, an upper end of the second extension section (42) is in surface-fitting connection with the roof side panel (11), a lower end of the second extension section is connected with the second connection section (41), and at least a part of the second connection section (41) is in surface-fitting connection with the side wall welding assembly (30).

4. The roof connection structure according to any one of claims 1 to 3, characterized in that the roof connection structure (100) further comprises a transition plate (20) connected to the side panel welding assembly (30), the transition plate (20) having a first transition portion (21) and a second transition portion (22) arranged at a spacing in a vehicle width direction, the first transition portion (21) being connected to the roof side panel (11), and the second transition portion (22) being connected to the roof reinforcement panel (40).

5. The roof connection structure according to claim 4, characterized in that the roof side panel (11) is configured in an L-shaped configuration and includes a first connecting section (111) and a first extending section (112) extending in the up-down direction, the roof reinforcement panel (40) is configured in an L-shaped configuration and includes a second connecting section (41) and a second extending section (42) extending in the up-down direction of the vehicle, at least a portion of the first connecting section (111) forms a surface-fitting connection with the first transition portion (21), and at least a portion of the second connecting section (41) forms a surface-fitting connection with the second transition portion (22).

6. The header connection structure according to claim 4, wherein the transition plate (20) has an arcuate portion (23) between the first transition portion (21) and the second transition portion (22), the arcuate portion (23) forming a surface-to-surface engagement with the side gusset weld assembly (30).

7. The roof connection according to claim 4, characterized in that the transition plate (20) is further provided with a bent portion (24), the bent portion (24) is disposed on a side of the first transition portion (21) away from the second transition portion (22), and the bent portion (24) is bent upward relative to the first transition portion (21).

8. The top cover connecting structure according to claim 4, wherein the side wall welding assembly (30) comprises a side wall outer plate (32) and a side wall inner plate (33), a first attaching portion is arranged at the top of the side wall outer plate (32), a second attaching portion is arranged at the top of the side wall inner plate (33), the first attaching portion and the second attaching portion are attached to form an attaching portion (31), and the attaching portion (31), the second transition portion (22) and the lower end portion of the top cover reinforcing plate (40) are sequentially attached to each other.

9. The roof connection structure according to claim 1, wherein the roof outer panel (10) comprises two roof side panels (11) arranged oppositely and a top panel (12) connected between the roof side panels (11), and an included angle between the roof side panels (11) and the top panel (12) is an obtuse angle of 90-130 °.

10. A vehicle body structure characterized by comprising the roof connection structure (100) as recited in any one of claims 1 to 9.

Technical Field

The present disclosure relates to the field of vehicles, and in particular, to a roof connection structure and a vehicle body structure.

Background

When the vehicle body framework is welded, the side wall welding assembly, the rear wall of the vehicle body and the front wall of the vehicle body are welded and enclosed to form a part of the vehicle body framework, and then the top cover outer plate and the vehicle body welding framework are welded to form a complete vehicle body welding assembly. In order to increase the space inside the cab, it is necessary to increase the height of the roof structure on the basis of a flat-topped cab. At present, the conventional height increasing method is to keep the side wall welding assembly unchanged, and as shown in fig. 1, continuously bend the overlapping part of the top cover outer plate and the side wall welding assembly by 90 degrees, thereby increasing the height of the top cover. The roof structure obtained by the method is difficult to weld, the bent part also occupies the space of the cab, and the lap joint part forms a cantilever beam structure, so that the strength is poor and the phenomenon of desoldering is easy to occur.

Disclosure of Invention

An object of the present disclosure is to provide a roof structure and a vehicle, which can both increase the height of a roof and ensure sufficient strength.

In order to achieve the above object, the present disclosure provides a roof connection structure, including roof planking, roof reinforcing plate and side wall welding assembly, the roof planking includes the roof curb plate, the roof curb plate extends to the outside from vehicle top to below slope, just the lower extreme of roof curb plate with side wall welding assembly links to each other, the roof reinforcing plate extends from vehicle top to below, just the upper end of roof reinforcing plate with the roof curb plate is connected, the lower extreme with side wall welding assembly links to each other, the lower extreme of roof reinforcing plate with the lower extreme of roof curb plate is at the width direction interval arrangement of vehicle.

Optionally, the roof side panel is configured into an L-shaped structure and includes a first connecting section and a first extending section extending in the vehicle up-and-down direction, and at least a part of the first connecting section is in surface-fitting connection with the side wall welding assembly.

Optionally, the roof reinforcing plate is configured into an L-shaped structure and includes a second connecting section and a second extending section extending in the vertical direction of the vehicle, the upper end of the second extending section is in surface-to-surface fit connection with the roof side plate, the lower end of the second extending section is connected with the second connecting section, and at least part of the second connecting section is in surface-to-surface fit connection with the side wall welding assembly.

Optionally, the roof connecting structure further includes a transition plate connected to the side wall welding assembly, the transition plate has a first transition portion and a second transition portion arranged at intervals in the vehicle width direction, the first transition portion is connected to the roof side plate, and the second transition portion is connected to the roof reinforcing plate.

Optionally, the roof side panel is configured to be an L-shaped structure and includes a first connecting section and a first extending section extending in the vertical direction, the roof reinforcing panel is configured to be an L-shaped structure and includes a second connecting section and a second extending section extending in the vertical direction of the vehicle, at least a portion of the first connecting section is in surface-fitting connection with the first transition portion, and at least a portion of the second connecting section is in surface-fitting connection with the second transition portion.

Optionally, the transition plate has an arcuate portion between the first transition portion and the second transition portion, the arcuate portion forming a surface-to-surface joint with the side gusset weld assembly.

Optionally, the transition plate is further provided with a bending portion, the bending portion is disposed on one side of the first transition portion, which is far away from the second transition portion, and the bending portion is bent upward relative to the first transition portion.

Optionally, the side wall welding assembly comprises a side wall outer plate and a side wall inner plate, the top of the side wall outer plate is provided with a first attaching portion, the top of the side wall inner plate is provided with a second attaching portion, the first attaching portion is attached to the surface of the second attaching portion to form an attaching portion, and the attaching portion is sequentially attached to the lower end portion of the top cover reinforcing plate.

Optionally, the top cover outer plate includes two top cover side plates disposed oppositely and a top plate connected between the top cover side plates, and an included angle between the top cover side plates and the top plate is an obtuse angle of 90 ° to 130 °.

According to another aspect of the present disclosure, a vehicle body structure includes the roof attachment structure described above

Through the technical scheme, the lower extreme through with the top cap reinforcing plate and the lower extreme of top cap curb plate are at the width direction interval arrangement of vehicle, make top cap curb plate and top cap reinforcing plate can support the top cap planking jointly, for the cantilever beam structure, the support to top cap planking 10 in this scheme is two point supports, top cap curb plate 11 and top cap reinforcing plate 40 construct into the structure that is similar to "people" font, people "font bearing structure is more firm, and the two can share the pressure of top cap planking jointly, thereby reduce the stress of the junction between top cap curb plate and top cap reinforcing plate and the side wall welding assembly, if the tie point passes through welded connection, then can reduce the risk of desoldering. Consequently, top cap connection structure in this disclosure can guarantee again that top cap connection structure has sufficient intensity when can increase the height of top cap, improves cab space utilization.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

fig. 1 is a schematic sectional view in the vehicle width direction of a conventional roof structure;

fig. 2 is a schematic sectional view in the vehicle width direction of the roof structure of an embodiment of the present disclosure;

FIG. 3 is an enlarged partial schematic view of FIG. 2;

fig. 4 is a schematic sectional view of a transition plate of a roof structure of an embodiment of the present disclosure in a vehicle width direction.

Description of the reference numerals

100-a top cover connection structure; 10-a top cover outer plate; 11-roof side panels; 111-a first connection segment; 112-a first extension; 12-a top plate; 20-a transition plate; 21-a first transition; 22-a second transition; 23-an arc-shaped portion; 24-a bending part; 30-side wall welding assembly; 31-a conforming portion; 32-side outer plates; 33-side wall inner plates; 34-side wall reinforcement plate; 40-a roof stiffener; 41-a second connection section; 42-second extension.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, unless otherwise specified, the use of the terms of orientation such as "up, down," generally refer to "up, down" in a state where the roof structure is mounted on the vehicle, and the direction of "up, down" when the vehicle is normally running. The terms "inside and outside" refer to the inside and outside of the profile of the relevant component. In addition, the terms "first", "second", and the like used in the embodiments of the present disclosure are for distinguishing one element from another, and have no order or importance.

In order to increase the height of the roof and ensure sufficient strength of the roof, the present disclosure provides a roof attachment structure 100 and a vehicle body structure having the roof attachment structure 100. As shown in fig. 2 to 4, the roof connecting structure 100 includes a roof outer panel 10, a roof reinforcement panel 40, and a side gusset weld assembly 30. The roof outer panel 10 includes a roof side panel 11, the roof side panel 11 extends obliquely outward from above to below of the vehicle, the lower end of the roof side panel 11 is connected to the side panel welding assembly 30, the roof reinforcing panel 40 extends from above to below of the vehicle, the upper end of the roof reinforcing panel 40 is connected to the roof side panel 11, the lower end is connected to the side panel welding assembly 30, and the lower end of the roof reinforcing panel 40 and the lower end of the roof side panel 11 are arranged at intervals in the width direction of the vehicle. Optionally, the roof side panel 11, the roof reinforcing panel 40 and the side wall welding assembly 30 may be welded together. Alternatively, the roof side panel 11 and the roof reinforcing panel 40 are configured like a herringbone structure.

Through the technical scheme, the lower end of the top cover reinforcing plate 40 and the lower end of the top cover side plate 11 are arranged at intervals in the width direction of the vehicle, so that the top cover side plate 11 and the top cover reinforcing plate 40 can jointly support the top cover outer plate 10, compared with a cantilever beam structure, the scheme has the advantages that the top cover outer plate 10 is supported at two points, the top cover side plate 11 and the top cover reinforcing plate 40 are constructed into a structure similar to a Chinese character 'ren', the Chinese character 'ren' shaped supporting structure is more stable, the two can share the pressure of the top cover outer plate 10, the stress of the connecting points between the top cover side plate 11 and the top cover reinforcing plate 40 and the side wall welding assembly 30 is reduced, and the risk of welding off can be reduced if the connecting points are. Therefore, the roof connection structure 100 in the present disclosure can increase the height of the roof while ensuring that the roof connection structure 100 has sufficient strength, thereby improving the utilization rate of the space in the cab.

There is no limitation in this disclosure as to how the top cover side plate 11 and the top cover reinforcing plate 40 form a herringbone structure, for example, in one embodiment, the top cover side plate 11 and the top cover reinforcing plate 40 are connected, and the bottom extends in two directions away from each other through an arc-shaped section, or two straight line segments extend in two directions away from each other in an inclined manner. In another embodiment, the bottom portions of the roof side panel 11 and the roof reinforcing panel 40 are each configured as an L-shaped structure, and the bottom portions of the two L-shaped structures extend in directions away from each other.

The specific structure of the roof side panel 11 is not limited in the present disclosure, and may be reasonably arranged as required, and optionally, in an embodiment, as shown in fig. 2 and 3, the roof side panel 11 is configured into an L-shaped structure and includes a first connecting section 111 and a first extending section 112 extending in the vehicle up-down direction, and at least a part of the first connecting section 111 is in face-to-face fit connection with the side wall welding assembly 30. Alternatively, the first connecting section 111 has a dimension in the vehicle width direction of 20 to 30mm, and is fixed by spot welding.

Through the face laminating connection of first linkage segment 111 and side wall welding assembly 30, increased area of contact between the two, realize the holistic firm support of roof planking 10, also be convenient for simultaneously weld in face laminating department for connect more firmly.

The specific structure of the roof reinforcing plate 40 is not limited in the present disclosure, and may be reasonably arranged as required, and optionally, in an embodiment, as shown in fig. 2 and 3, the roof reinforcing plate 40 is configured as an L-shaped structure and includes a second connecting section 41 and a second extending section 42 extending in the vehicle vertical direction, an upper end of the second extending section 42 is in surface-to-surface fit connection with the roof side plate 11, a lower end of the second extending section is connected with the second connecting section 41, and at least a part of the second connecting section 41 is in surface-to-surface fit connection with the side wall welding assembly 30.

Through the face laminating connection of second linkage segment 41 and side wall welding assembly 30 to and the upper end of second extension 42 is connected with the face laminating of top cap curb plate 11, increased area of contact, realize top cap reinforcing plate 40 and to the holistic firm support of top cap planking 10, also be convenient for weld in face laminating department simultaneously, make to connect more firmly. Optionally, the transition plate 20 extends outward and is at least partially exposed to the side gusset weld assembly 30.

In order to facilitate the connection of the top cover side plate 11 and the top cover reinforcing plate 40 with the side wall welding assembly 30, as shown in fig. 3 and 4, the top cover connecting structure 100 further includes a transition plate 20 connected with the side wall welding assembly 30. The transition plate 20 has a first transition portion 21 and a second transition portion 22 arranged at an interval in the vehicle width direction, the first transition portion 21 being connected to the roof side panel 11, and the second transition portion 22 being connected to the roof reinforcement panel 40. The transition plate 20 connected with the side wall welding assembly 30 is arranged, so that the top cover outer plate 10 and the reinforcing plate can be fixed by connecting the transition plate 20 to the top cover outer plate 10, and therefore, when the top cover outer plate 10 is welded, the limitation of the side wall welding assembly 30 is avoided, the height and the width of the top cover outer plate 10 can be increased as required, meanwhile, the integral stable installation of the top cover outer plate 10 can be realized, and the top cover connecting structure 100 is ensured to have enough strength.

In order to facilitate the support of the roof outer panel 10, as shown in fig. 2 and 3, the roof side panel 11 is configured in an L-shaped structure and includes a first connecting section 111 and a first extending section 112 extending in the up-down direction, and the roof reinforcement panel 40 is configured in an L-shaped structure and includes a second connecting section 41 and a second extending section 42 extending in the up-down direction of the vehicle. At least part of the first connecting section 111 forms a surface-fitting connection with the first transition portion 21, and at least part of the second connecting section 41 forms a surface-fitting connection with the second transition portion 22. Optionally, the second connecting section 41 and the second extending section 42 are smoothly transited through a circular arc to reduce stress concentration.

Alternatively, the first connecting section 111 has a flat surface having a length of about 20mm for fitting with the transition plate 22, and the second connecting section 41 has a flat surface having a length of about 20mm for fitting with the transition plate 22 in the width direction of the vehicle, facilitating welding fixation by spot welding.

The roof reinforcing plate 40 constructed in the L-shaped structure facilitates the second connection section 41 to be attached to the transition plate 20, and increases the contact area between the second connection section 41 and the transition plate 20, so that the connection and support are more stable. Moreover, the second connecting section 41 of the roof reinforcing plate 40 and the first connecting section 111 of the roof side plate 11 extend in opposite directions and are attached to the transition plate 20 to form a herringbone structure, so that the first connecting section 111 and the second connecting section 41 can jointly support the roof outer plate 10, the supporting structure is more stable, and the first connecting section 111 and the second connecting section 41 can jointly share the pressure of the roof outer plate 10, thereby reducing the stress at the welding point between the first connecting section 111 and the second connecting section 41 and the transition plate 20 and reducing the risk of welding failure.

To facilitate the connection of the transition plate 20 and the side panel welding assembly 30, optionally, in an embodiment, as shown in fig. 3, the transition plate 20 has an arc portion 23 located between the first transition portion 21 and the second transition portion 22, and the arc portion 23 and the side panel welding assembly 30 form a surface-fit connection, so as to increase a contact area therebetween, increase a supporting strength, and facilitate a welding operation at the surface-fit position.

The specific shape of the transition plate 20 is not limited in the present disclosure, and in one embodiment, as shown in fig. 4, the transition plate 20 is further provided with a bent portion 24, the bent portion 24 is disposed on a side of the first transition portion 21 away from the second transition portion 22, and the bent portion 24 is bent upward relative to the first transition portion 21.

Alternatively, the bend 24 may be formed by flanging the edge of the transition plate 20, the bend 24 being at an angle of approximately 90 ° to the main body of the transition plate 20. Optionally, the height of the bend 24 is about 10 mm.

Optionally, the transition plate 20 extends toward the vehicle outside in the width direction of the vehicle and beyond the curb welding assembly 30, optionally 30-40mm beyond the curb welding assembly, thereby facilitating widening the width of the roof outer panel 10.

Through setting up kink 24, on the one hand kink 24 can shelter from the junction of top cap curb plate 11 and transition board 20 for it is more pleasing to the eye in appearance, and on the other hand, kink 24 can increase the intensity of transition board 20 itself, makes the support of transition board 20 to top cap planking 10 more firm.

In an embodiment of the present disclosure, as shown in fig. 2, the side wall welding assembly 30 includes a side wall outer plate 32 and a side wall inner plate 33, a first attaching portion is disposed on the top of the side wall outer plate 32, a second attaching portion is disposed on the top of the side wall inner plate 33, the first attaching portion and the second attaching portion are attached to each other to form an attaching portion 31, and the attaching portion 31, the second transition portion 22 and the lower end portion of the top cover reinforcing plate 40 are sequentially attached to each other to increase the strength of the joint of the second transition portion 22 and the top cover reinforcing plate 40 and increase the supporting strength of the top cover outer plate 10. Optionally, the second transition portion 22 has a flat surface about 20mm long in the width direction of the vehicle so as to be fitted with the fitting portion 31.

In order to increase the strength of the side wall welding assembly 30, a side wall reinforcing plate 34 can be arranged between the side wall outer plate 32 and the side wall inner plate 33, the top of the side wall reinforcing plate 34 is provided with a third attaching part 31, and the third attaching part 31 is attached to the attaching part 31, so that the strength of the attaching part 31 is further increased.

The specific structure of the top cover outer panel 10 is not limited in the present disclosure, and may be set as required, and optionally, in an embodiment, the top cover outer panel 10 includes two top cover side panels 11 disposed opposite to each other and a top panel 12 connected between the top cover side panels 11, and an included angle between the top cover side panels 11 and the top panel 12 is an obtuse angle of 90 ° to 130 °. The top cover outer plate 10 is integrally constructed into a trapezoidal structure, and the mechanical property is better, so that the bottom of the top cover side plate 11 is supported by the side wall welding assembly 30 more stably.

According to another aspect of the present disclosure, there is also provided a vehicle body structure including the roof attachment structure 100 described above. Due to the fact that the top cover connecting structure 100 is adopted, the support of the herringbone supporting structure to the top cover is more stable, the top cover side plate 11 and the top cover reinforcing plate 40 can share the pressure of the top cover outer plate 10 together, the stress of the connecting points between the top cover side plate 11 and the top cover reinforcing plate 40 and the side wall welding assembly 30 is reduced, and the risk of desoldering can be reduced if the connecting points are connected through welding. Therefore, the vehicle body structure of the present disclosure can increase the height of the roof panel as needed, and can ensure sufficient strength of the roof panel connection structure 100.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.